Description
6 KG approx
Pendant size : 3 x 2
Brookite in Clear Quartz
Top polished and natural raw lower section Average Size : 6 x 5 x 4
15) Clear Quartz Crystal Point Unique Present 6 KG approxPolished clear Quartz crystal point, from Madagascar Size : 8. 5 x 4. 5 cm approx. Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 siliconoxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2. Quartz is the second most abundant mineral in Earth's continental crust, behind feldspar. Since antiquity, varieties of quartz have been the most commonly